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Popular Paid Productivity apps in the United States

RealCalc Plus
Quartic Software
RealCalc Plus is the enhanced version of Android's #1 Scientific Calculator, RealCalc - a fully featured scientific calculator which looks and operates like the real thing. RealCalc Plus includes the following features: * Traditional algeb
$3.33
95
100,000+ downloads
|
PRODUCTIVITY
Aqua Mail Pro Key
Kostya Vasilyev
***** This is the Pro version unlocker key for AquaMail which turns Lite version into Pro. Do not purchase until you've downloaded and installed the free application first. ***** AquaMail is an email application for Android. Please see t
$4.95
92
100,000+ downloads
|
PRODUCTIVITY
SafeInCloud Password Manager
safe-in-cloud.com
Protect your data with unique and secure passwords! Forget the headache of remembering PINs and passwords! START USING A PASSWORD MANAGER TODAY! SafeInCloud is a complete PASSWORD MANAGEMENT SOLUTION: Free Desktop Application + Mobile Appl
$7.99
95
50,000+ downloads
|
PRODUCTIVITY
Business Calendar Pro
Appgenix Software
This is the Pro Version of Business Calendar: an all-round, complete calendar app for highest standards, customizable and with perfect Google sync. ★ "Our favorite calendar app on Android, due to its flexibility and ease of use." - Lifehac
$5.50
92
100,000+ downloads
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PRODUCTIVITY
DigiCal+ Calendar & Widgets
Digibites
Experience the most stylish Android calendar with 6 powerful calendar views and 6 beautiful (lock screen) widgets. Now with weather forecast!   ★ Favorite of The Next Web: 12 Best Calendar Apps for Android – Aug 2013 ★ “It walks a good line
$5.64
90
50,000+ downloads
|
PRODUCTIVITY
aCalendar+ Calendar & Tasks
Tapir Apps GmbH
aCalendar+ is the premium version of aCalendar - please try the free calendar app aCalendar first! aCalendar+ gives you many additional calendar features and your purchase supports further development and helps protecting the endangered Mo
$4.12
93
100,000+ downloads
|
PRODUCTIVITY
Tasks
Team Tasks
Tasks brings the full Google Tasks experience to Android.   * Sync with Google Tasks at the core * Sync with Google Tasks is not just another bullet point in an endless feature list, but lies at the heart of the application. Our goal is to
$1.12
93
100,000+ downloads
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PRODUCTIVITY
AndroZip™ Pro File Manager
AVG Labs
#1 ZIP application and first Android archiver is with you since beginning of 2009. AndroZip™ File Manager helps you copy, delete, move, unzip/unpack, compress, encrypted ZIP supported, search, and organize your files, music, pictures, and f
$3.33
87
50,000+ downloads
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PRODUCTIVITY
Advanced Task Manager Pro
INFOLIFE LLC
Kill tasks,free memory,speed up phone,save battery. #Feature *Kill selected tasks *Android optimizer & booster *Ignore apps when kill tasks *Auto kill tasks on every screen off *Regular kill *Startup Kill *One click task kill widget *Quick
$2.90
91
50,000+ downloads
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PRODUCTIVITY
Assistant Pro for Android
Aaron.
Top 18 features to help you easily and efficiently manage your android phone. Android Assistant is one of the most powerful and comprehensive management tools to improve your android phone's performance. It speeds up your phone's running s
$1.03
90
50,000+ downloads
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PRODUCTIVITY
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